Cowl panel of a truck vehicle



FIG. 1 is a right, front perspective view of a cowl panel of a truck vehicle showing our new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a cowl panel of a truck vehicle, as shown and described. 